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Checking if an Android application is running in the background
...to, but if your activity is already extended from MapActivity/ListActivity etc. you still need to write the following by hand):
@Override
protected void onResume() {
super.onResume();
MyApplication.activityResumed();
}
@Override
protected void onPause() {
super.onPause();
MyApplication.ac...
Should I use a data.frame or a matrix?
...ables) can be expected to be of different types (numeric/character/logical etc.). Matrices are for data of the same type.
Consequently, the choice matrix/data.frame is only problematic if you have data of the same type.
The answer depends on what you are going to do with the data in data.frame/ma...
live output from subprocess command
...output about what iteration its at, what time, what the next time-step is, etc.
16 Answers
...
Difference between sh and bash
...e the three-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aescapes' feature is tentatively accepted for POSIX (meaning it works in Bash now, but will not yet be supported by sh on systems which only adhere to the current POSIX specification, and likely wil...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...n the system time (via NTP, time zone, daylight savings time, by the user, etc.)?
How do the above vary between implementations?
Is the specific function obsolete, non standard, etc.?
Before starting the list, I'd like to point out that wall-clock time is rarely the right time to use, whereas it c...
How do you track record relations in NoSQL?
...en post, comments marked as spam, active comments, highest rated comments, etc.
– Xeoncross
Nov 19 '10 at 21:39
...
Best approach for designing F# libraries for use from both F# and C#
... a functional style (using F# function types, tuples, discriminated unions etc.)
.NET library is designed to be used from any .NET language (including C# and F#) and it typically follows .NET object-oriented style. This means that you'll expose most of the functionality as classes with method (and s...
How exactly does CMake work?
...latform,Cmake will generate all the necessary project/solution files (.sln etc.).
If you would like to build your software on Linux/Unix platform you would simply go to source directory where you have your CMakeLists.txt file and trigger the same cmake . and it will generate all files necessary fo...
Token Authentication vs. Cookies
...ers, however, they can be sent in any part of the http request (POST body, etc.)
Pros:
You can authorize only the requests you wish to authorize. (Cookies - even the authorization cookie are sent for every single request.)
Immune to XSRF (Short example of XSRF - I'll send you a link in email that ...
Why do we need fibers
...ed param: #{param}"
Fiber.yield #nothing sent, nothing received
puts 'etc'
end
puts f.resume
f.resume 'param'
f.resume
prints this:
some code
return
received param: param
etc
Implementation of this logic with other ruby features will be less readable.
With this feature, good fibers usage...